Home / 2,084.74-2,875.85-1,245.17

Finding the Fourth Proportional to 2,084.74, 2,875.85 and 1,245.17

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Solution

The fourth proportional to 2,084.74, 2,875.85 and 1,245.17 is: 1,717.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.74 : 2,875.85 = 1,245.17 : x
  2. Step 2: Convert to fraction form
    2,084.74/2,875.85 = 1,245.17/x
  3. Step 3: Cross multiply
    2,084.74x = 2,875.85 × 1,245.17
  4. Step 4: Simplify right side
    2,084.74x = 3,580,922.14
  5. Step 5: Solve for x
    x = 3,580,922.14/2,084.74
  6. Step 6: Final answer
    x = 1,717.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.